|
US1873997A
|
|
Distribution and analysis accounting form
|
|
US1865445A
|
|
Heat control for wax carboning presses
|
|
US1845009A
|
|
Permanent binder for loose leaves
|
|
US1860957A
|
|
Apparatus for producing wax carbon spots on sheets of paper by impression
|
|
US1872248A
|
|
Loose-leaf binder
|
|
US1805314A
|
|
Binder for loose leaf books
|
|
US1833044A
|
|
Loose leaf binder
|
|
US1734134A
|
|
Bookbinder
|
|
US1736810A
|
|
Compressing means for filing trays
|
|
US1675277A
|
|
Clutch for binders
|
|
US1623145A
|
|
Binder for loose-leaf files
|
|
US1516109A
|
|
Binding means for books and the like
|
|
US1651829A
|
|
Filing cabinet
|
|
US1526673A
|
|
Loose-leaf binder
|
|
US1507025A
|
|
Index book for filing systems
|
|
US1537516A
|
|
Perforating machine
|
|
US1453363A
|
|
Printing press
|
|
US1455257A
|
|
Mounting for make-up frames for printing presses
|
|
US1584179A
|
|
Lock for loose-leaf binders
|
|
US1418314A
|
|
Lock for binders
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